import unittest


class DemoTestCase1(unittest.TestCase):
    def test1(self):
        print('test1')

    def test2(self):
        print('test2')


class DemoTestCase2(unittest.TestCase):
    def testa(self):
        print('testa')

    def testb(self):
        print('testb')


if __name__ == '__main__':
    suite = unittest.TestSuite()
    suite.addTest(DemoTestCase1('test1'))
    suite.addTest(DemoTestCase2('testa'))

    runner = unittest.TextTestRunner()
    runner.run(suite)
